Yingyu created CALCITE-5130:
-------------------------------
Summary: AssertionError: "Conversion to relational algebra failed
to preserve datatypes" when union VARCHAR literal and CAST(null AS INTEGER)
Key: CALCITE-5130
URL: https://issues.apache.org/jira/browse/CALCITE-5130
Project: Calcite
Issue Type: Bug
Affects Versions: 1.31.0
Reporter: Yingyu
0: jdbc:calcite:model=src/test/resources/mode> select CAST(null AS INTEGER)
union select '10';
java.lang.AssertionError: Conversion to relational algebra failed to preserve
datatypes:
validated type:
RecordType(VARCHAR NOT NULL EXPR$0) NOT NULL
converted type:
RecordType(VARCHAR EXPR$0) NOT NULL
rel:
LogicalUnion(all=[false])
LogicalValues(tuples=[[\{ null }]])
LogicalValues(tuples=[[\{ '10' }]])
at
org.apache.calcite.sql2rel.SqlToRelConverter.checkConvertedType(SqlToRelConverter.java:487)
at
org.apache.calcite.sql2rel.SqlToRelConverter.convertQuery(SqlToRelConverter.java:602)
at org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:257)
at org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:220)
at
org.apache.calcite.prepare.CalcitePrepareImpl.prepare2_(CalcitePrepareImpl.java:648)
at
org.apache.calcite.prepare.CalcitePrepareImpl.prepare_(CalcitePrepareImpl.java:514)
at
org.apache.calcite.prepare.CalcitePrepareImpl.prepareSql(CalcitePrepareImpl.java:484)
at
org.apache.calcite.jdbc.CalciteConnectionImpl.parseQuery(CalciteConnectionImpl.java:234)
at
org.apache.calcite.jdbc.CalciteMetaImpl.prepareAndExecute(CalciteMetaImpl.java:623)
at
org.apache.calcite.avatica.AvaticaConnection.prepareAndExecuteInternal(AvaticaConnection.java:674)
at
org.apache.calcite.avatica.AvaticaStatement.executeInternal(AvaticaStatement.java:156)
at
org.apache.calcite.avatica.AvaticaStatement.execute(AvaticaStatement.java:217)
at sqlline.Commands.executeSingleQuery(Commands.java:1130)
at sqlline.Commands.execute(Commands.java:1079)
at sqlline.Commands.sql(Commands.java:1033)
at sqlline.SqlLine.dispatch(SqlLine.java:822)
at sqlline.SqlLine.begin(SqlLine.java:596)
at sqlline.SqlLine.start(SqlLine.java:269)
at sqlline.SqlLine.main(SqlLine.java:208)
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